Eaton GHB3020 | 20A 3-Pole Series C G-Frame Molded Case Circuit Breaker

Main Description:

The Eaton GHB3020 is a Series C G-frame molded case circuit breaker engineered for dependable protection in industrial and commercial electrical systems. Rated at 20 amps and designed for use at 480Y/277 VAC and 125/250 VDC, this 3-pole breaker features fixed thermal and fixed magnetic trip elements, providing consistent overload and short-circuit performance. Equipped with Long-Time and Instantaneous (LI) functions and built with a bolt-on configuration, the GHB3020 offers reliable, long-term operation within molded-case applications across a wide range of environments.

Technical Overview:

• Manufacturer: Eaton

• Brand: Cutler-Hammer

• Part Number: GHB3020

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker – Series C

• Condition: New/Never Used Surplus

• Circuit Breaker Type: GHB

• Frame: G-Frame

• Poles: Three-Pole

• Amperage Rating: 20 Amps

• Voltage Rating (AC): 480Y/277 VAC

• Voltage Rating (DC): 125/250 VDC

• Frequency Rating: 50/60 Hz

• Trip Type: Fixed Thermal / Fixed Magnetic

• Trip Functions: Long-Time (L), Instantaneous (I)

• Mounting Method: Bolt-On

• Interrupt Rating:

  • 14 kAIC @ 480Y/277 VAC

  • 65 kAIC @ 240 VAC

• Series: Eaton Series C

• Breaker Construction: Thermal-Magnetic, Complete Breaker

Key Features:

• Fixed thermal-magnetic trip unit for dependable overload and short-circuit protection

• Designed for both AC and DC applications up to 480Y/277 VAC and 250 VDC

• Bolt-on installation for secure, reliable mounting

• G-Frame molded case construction offering durability in demanding environments

• Suitable for three-phase industrial and commercial applications